N-COUNT
发现者;寻得者;找到…的人
You can refer to someone who finds something as the finder of that thing.
例句
The finder of a wallet who takes it home may be guilty of theft...
将钱包据为己有的人可能会被控盗窃。
Every stray dog has to be taken by its finder to the police.
发现走失的狗后都应将它带到警察局。